| Year | 2022 |
| Date | 29-Jul |
| Volume | 229 |
| Issue | 4,696 |
| Page | 216 |
| Category | Locomotive |
| Part | 12 |
| Title | William Spence Locomotive for 7 1/4in. Gauge |
| Author | Cliff Almond |
| Notes | Continues his description of a potential narrow gauge 0-4-0T for 7 1/4 inch gauge. Challenges in researching the prototype, bar frames, associated springs and brackets, further notes of the historic development of the prototype |